El Imperfecto - Time Expressions

Time marker expressions for the imperfecto:

1. Expressions for habitual actions, or when we’re talking about what we used to do.
Some examples are:

Generalmente = Generally
Por lo general = In general
A menudo = Often
De vez en cuando = From time to time, Every once in a while, Every now and again
Muchas veces = Many times
Todos los días = Every day
Todas las noches = Every night
Frecuentemente = Frequently
Con frecuencia = With frequency
Cada noche = Each night
Los sábados = On Saturdays
Siempre = Always

2. Expressions for talking about actions in progress in the past.
Some examples are:

Mientras = While
Cuando = When (as a synonym for ‘mientras’)